remove link to suspicious website (#75)

twofishes.net appears to have changed ownership

Author: matkoniecz

src/jvm/io/fsq/twofishes/README.md

@@ -1,6 +1,6 @@
 [![Build Status](https://travis-ci.org/foursquare/twofishes.svg?branch=master)](https://travis-ci.org/foursquare/twofishes)
 
-A coarse, splitting geocoder and reverse geocoder in scala -- Prebuilt indexes and binaries available at [twofishes.net](http://twofishes.net/). Discussion at [google groups](https://groups.google.com/forum/?fromgroups#!forum/twofishes).
+A coarse, splitting geocoder and reverse geocoder in scala. Discussion at [google groups](https://groups.google.com/forum/?fromgroups#!forum/twofishes).
 
 What is a Geocoder?
 ===================